Simplification

A man has Rs.480 in the denominations of one-rupee notes, five-rupee notes and ten-rupee notes. The number of notes of each denomination is equal. What is the total number of notes that he has ?

• 90

• 75

• 60

• 45

If a - b = 3 and a2 + b2 = 29, find the value of ab.

• 12

• 10

• 15

• 23

The price of 2 sarees and 4 shirts is Rs. 1600. With the same money one can buy 1 saree and 6 shirts. If one wants to buy 12 shirts, how much shall he have to pay ?

• 2400

• 1200

• 4800

• None of These

A sum of Rs. 1360 has been divided among A, B and C such that A gets of what B gets and B gets of what C gets. B's share is:

• Rs. 240

• Rs. 300

• Rs. 160

• Rs. 160

A man has some hens and cows. If the number of heads be 48 and the number of feet equals 140, then the number of hens will be:

• 22

• 23

• 24

• 26

60 + 5 * 12 / (180/3) = ?

• 60

• 71

• 61

• 63

0.003 ? 0.0003 = 0.00000027

• 3

• 0.3

• 9

• 0.9

[(523 + 27) (187 - 35) / (424 + 16)] / [110/22 of (2 38)] = ?

• 1

• 2

• 4

• 3

8.008 + 0.8 + 80.8 + 800.8 + 0.08 = ?

• 888.888

• 890.488

• 889.699

• 899.488

{20 - [7 - (3 -2)] + 1/3 (4.2)} / 1.4 = ?

• 12

• 14

• 11

• 10